NCERT Important Questions Class 9 Science biology Chapter 13
Important NCERT Extra Questions
Chapter 13 Why do We Fall ill
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
It is commonly believed that bad cold takes seven days to subside automatically. After taking medicine, it takes 7 days to cure. Comment.
Share
Bad cold is generally viral in origin. Antibiotic have no role in curing it . Patient’s body takes about 7 days to produce interferon (an antiviral substance) to kill the virus of cold.